What Causes Headaches When My Stomach Is Gassy, And How Long Should I Take Nexpro RD And Sucrate Suspension For Gastric Issues?

Hi sir, I am struggling with gastric problem. I am 24. My symptoms are frequent burping after having food, frequent moderate headache, chest pain, sometimes bloating. Sir, can you explain what causes headache, when my stomach filled with gas. How long should I use nexpro rd tablets and sufrate suspension syrup to cure my gastric problem.